Problems · NHTSA complaints

2006 Porsche Cayman S problems

Owners filed 12 complaints about the 2006 Porsche Cayman S with NHTSA between Jan 2008 and Aug 2013. The most-cited component is engine and engine cooling (7).

Complaints
12
Filed with NHTSA
Crashes
2
Reported by owners
Fires
0
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Engine and engine cooling7
  2. Tires2
  3. Engine1
  4. Power train1
  5. Other / unknown1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20082
20090
20101
20117
20121
20131

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Engine and engine cooling

7 reports1 crash
“THE ENGINE FAILED WHILST TAKING PART IN A DRIVING EVENT AT WILLOW SPRINGS RACEWAY. OIL STARVATION CAUSED #6 CONROD BIG-END BEARING FAILURE AT APPROXIMATELY 4000RPM LEADING TO INTERNAL DESTRUCTION OF THE ENGINE AND AN ENORMOUS PLUME OF WHITE SMOKE OUT THROUGH THE EXHAUST. FORTUNATELY I WAS ON A STRAIGHT PART OF THE TRACK AT THE TIME AND WAS ABLE TO RETAIN CONTROL AND STOP THE CAR SAFELY. PLEASE NOTE THAT ALTHOUGH THIS FAILURE HAPPENED ON A RACE TRACK AND AT A SEEMINGLY HIGH SPEED, I AM AN EXPERIENCED RACING DRIVER AND THE CAR WAS NOT BEING UNDULY ABUSED. THIS VEHICLE IS SOLD IN GERMANY WHERE IT IS PERFECTLY LEGAL FOR IT TO ACHIEVE ITS 170MPH TOP SPEED WHEN DRIVING CONDITIONS ALLOW AND THE COMPANY'S ADVERTISING CAMPAIGNS FOCUS ON ITS SPORTING CAPABILITIES. CLEARLY, HOWEVER, THE CAR SHOULDN'T BE ADVERTISED AS A SPORTS MODEL IF IT CANNOT BE DRIVEN IN A SPORTING MANNER (IN A CONTROLLED ENVIRONMENT) WITHOUT CATASTROPHIC FAILURE.”
Owner complaint to NHTSAFiled Sep 18, 2011Engine and engine coolingODI 10426208

Tires

2 reports1 crash
“I HAD AN ACCIDENT ON 11/2/08 IN A PORSCHE CAYMAN S 2006 WITH THE FACTORY CONTINENTAL TIRES. THE VEHICLE HAS LESS THAN 4000 MILES ON IT. COMING A LOW SPEED CORNER AT ABOUT 35 MPH THE VEHICLE LOST CONTROL AND SLID DOWN A DITCH. THE TIRES HAD SEPARATED FROM THE OUTSIDE EDGE OF THE WHEEL. THE VEHICLE SUFFERED BODY DAMAGE ON THE RIGHT SIDE DOOR AND OTHER MOLDINGS. THE VEHICLE IS CURRENTLY AT A PORSCHE BODY SHOP WAITING TO BE REPAIRED. *TR”
Owner complaint to NHTSAFiled Nov 5, 2008TiresCrash reportedODI 10247810

Engine

1 report
“TRAVELING IN A STRAIGHT LINE ON A DRY ROAD AT AROUND 65MPH, THE VEHICLE'S ENGINE EXPIRED IN A HUGE PLUME OF COOLANT/OIL. FLATBEDDED TO A PORSCHE DEALERSHIP, A TECHNICIAN USING A BOROSCOPE FOUND (ACCORDING TO THE DEALERSHIP) "SCORING TO #5 CYLINDER AND EVIDENCE THAT A VALVE HAD HIT THE TOP OF THE PISTON. THERE WAS ALSO A HUGE AMOUNT OF METAL DEBRIS IN THE OIL FILTER." THIS WAS A RESULT OF SOMETHING FAILING IN THE ENGINE, RATHER THAN THE CAUSE OF THE FAILURE. THE PORSCHE DEALERSHIP DID NOT CARE TO DETERMINE THE CAUSE OF THE FAILURE. I SUSPECT INTERMEDIATE MAIN SHAFT (IMS) FAILURE. ONE YEAR BEYOND CERTIFIED PRE-OWNED (CPO) WARRANTY AND $20K FOR A NEW ENGINE. *TR”
Owner complaint to NHTSAFiled Aug 10, 2013EngineODI 10534621

Power train

1 report
“CAR: 2006 CAYMAN S WITH 34,150 MILES ON IT. I DON'T RACE IT (ON OR OFF THE TRACK). 90% OF MY COMMUTE IS HIGHWAY DRIVING AT 70 MPH, WITH THE OCCASIONAL ACCELERATION (NO DOWNSHIFTING) TO 80-90 MPH. I BOUGHT THE CAR AS CERTIFIED PRE-OWNED WITH 5,000 MILES ON IT. I PUT ~29,000 MILES ON THE CAR OVER AN ~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…”
Owner complaint to NHTSAFiled Nov 9, 2012Power trainODI 10483800
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.